C++ (Cpp) acl_addr_match_maskの例

コード例 #1

ファイル: options.c プロジェクト: LTD-Beget/nsd

int
acl_addr_matches_ipv4host(acl_options_t* acl, struct sockaddr_in* addr, unsigned int port)
{
	if(acl->port != 0 && acl->port != port)
		return 0;
	switch(acl->rangetype) {
	case acl_range_mask:
	case acl_range_subnet:
		if(!acl_addr_match_mask((uint32_t*)&acl->addr.addr, (uint32_t*)&addr->sin_addr,
			(uint32_t*)&acl->range_mask.addr, sizeof(struct in_addr)))
			return 0;
		break;
	case acl_range_minmax:
		if(!acl_addr_match_range((uint32_t*)&acl->addr.addr, (uint32_t*)&addr->sin_addr,
			(uint32_t*)&acl->range_mask.addr, sizeof(struct in_addr)))
			return 0;
		break;
	case acl_range_single:
	default:
		if(memcmp(&addr->sin_addr, &acl->addr.addr,
			sizeof(struct in_addr)) != 0)
			return 0;
		break;
	}
	return 1;
}

コード例 #2

int acl_addr_matches(acl_options_t* acl, struct query* q)
{
	if(acl->is_ipv6)
	{
#ifdef INET6
		struct sockaddr_storage* addr_storage = (struct sockaddr_storage*)&q->addr;
		struct sockaddr_in6* addr = (struct sockaddr_in6*)&q->addr;
		if(addr_storage->ss_family != AF_INET6)
			return 0;
		if(acl->port != 0 && acl->port != ntohs(addr->sin6_port))
			return 0;
		switch(acl->rangetype) {
		case acl_range_mask:
		case acl_range_subnet:
			if(!acl_addr_match_mask((uint32_t*)&acl->addr.addr6, (uint32_t*)&addr->sin6_addr,
				(uint32_t*)&acl->range_mask.addr6, sizeof(struct in6_addr)))
				return 0;
			break;
		case acl_range_minmax:
			if(!acl_addr_match_range((uint32_t*)&acl->addr.addr6, (uint32_t*)&addr->sin6_addr,
				(uint32_t*)&acl->range_mask.addr6, sizeof(struct in6_addr)))
				return 0;
			break;
		case acl_range_single:
		default:
			if(memcmp(&addr->sin6_addr, &acl->addr.addr6,
				sizeof(struct in6_addr)) != 0)
				return 0;
			break;
		}
		return 1;
#else
		return 0; /* no inet6, no match */
#endif
	}
	else
	{
		struct sockaddr_in* addr = (struct sockaddr_in*)&q->addr;
		if(addr->sin_family != AF_INET)
			return 0;
		if(acl->port != 0 && acl->port != ntohs(addr->sin_port))
			return 0;
		switch(acl->rangetype) {
		case acl_range_mask:
		case acl_range_subnet:
			if(!acl_addr_match_mask((uint32_t*)&acl->addr.addr, (uint32_t*)&addr->sin_addr,
				(uint32_t*)&acl->range_mask.addr, sizeof(struct in_addr)))
				return 0;
			break;
		case acl_range_minmax:
			if(!acl_addr_match_range((uint32_t*)&acl->addr.addr, (uint32_t*)&addr->sin_addr,
				(uint32_t*)&acl->range_mask.addr, sizeof(struct in_addr)))
				return 0;
			break;
		case acl_range_single:
		default:
			if(memcmp(&addr->sin_addr, &acl->addr.addr,
				sizeof(struct in_addr)) != 0)
				return 0;
			break;
		}
		return 1;
	}
	/* ENOTREACH */
	return 0;
}